A student walks north and then south

PHYSICS · Multi-part · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

A student walks 50 m50\,\text{m} north and then 50 m50\,\text{m} south, taking 40 s40\,\text{s} for the entire trip. (i) Calculate the student’s average speed. (ii) State the magnitude of the student’s average velocity for the entire trip and give one reason for your answer.

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